This screech is ripped from the menu of Five Nights at Treasure Island: The Revenge, a fan-made horror game in the long-running Five Nights at Treasure Island series inspired by Five Nights at Freddy's. The series, known for its distorted Photo-Negative Mickey antagonist, grew a cult following among horror game fans, and its audio — menu stings, ambience and jumpscares — is widely ripped into fan soundboard collections. This particular screech circulates in those archives as a menu jingle of sorts, and editors now drop it anywhere they need a quick, abrasive shock.